fix #6400
move Workqueue initialization to a better place

make repl.c robust to system images that don't set ARGS
fix a problem related to #6502, but the issue itself is not fixed yet
fix #6502
Fix typo in Control Flow doc
Merge pull request #6507 from mbuettner/patch-1

Fix typo in Control Flow doc
Fix #6488, #6500 (long inputs in REPL)
Merge pull request #6483 from rened/osxfix

fix #6400
only limit io size on osx
fix #6495 (up/down keys broken after running top)
simpler fix for #6495

@loladiro pointed out that e19ad95 wouldn't work after

    julia> run(`top`)
fix #6419 (integer division under lldb)
small improvement to type intersection
Merge branch 'master' of github.com:JuliaLang/julia
README.windows typo
microbenchmarks: "Lua" => "LuaJIT"
fix #6428 (emacs shell troubles)
small optimizer improvements to tupleref_elim_pass and effect_free

improved versions of some tuple functions
add missing QuoteNode in last commit
fix potential bug in codegen of "empty" arguments (e.g. (), nothing) that
have a memvalue due to being assigned.